Heart DiseasesRisk AssessmentExercise TestExercise ToleranceExerciseExercise TherapyRisk FactorsPredictive Value of TestsElectrocardiographyPrognosisDeath, Sudden, CardiacPhysical ExertionOxygen ConsumptionHeart RateMyocardial InfarctionProspective StudiesTime FactorsFollow-Up StudiesArrhythmias, CardiacCoronary DiseaseTroponin THeartBiological MarkersMyocytes, CardiacCardiac OutputPhysical EnduranceTreatment OutcomeHeart FailureMyocardial IschemiaROC CurveChest PainStroke VolumeCoronary Artery DiseaseAnaerobic ThresholdEchocardiography, StressPreoperative CareEchocardiographyCardiovascular DiseasesRetrospective StudiesPerioperative CareMultivariate AnalysisProportional Hazards ModelsPhysical FitnessElectrocardiography, AmbulatoryTroponin ICoronary AngiographyAsthma, Exercise-InducedSurgical Procedures, OperativeCohort StudiesPostoperative ComplicationsAngina PectorisSurvival AnalysisSeverity of Illness IndexCardiac Surgical ProceduresDipyridamoleSensitivity and SpecificityNatriuretic Peptide, BrainBicyclingPulmonary Gas ExchangeAdrenergic beta-AntagonistsTomography, Emission-Computed, Single-PhotonAngina, UnstableVascular Surgical ProceduresMuscle, SkeletalBlood PressureReproducibility of ResultsHemodynamicsSurvival RateKaplan-Meier EstimateRiskVentricular Dysfunction, LeftIntraoperative ComplicationsVentricular Function, LeftDobutamineLactic AcidChi-Square DistributionDyspneaAge FactorsCardiac CatheterizationPreoperative PeriodErgometryRestDefibrillators, ImplantableTachycardia, VentricularCase-Control StudiesHeart Function TestsSportsAnalysis of VarianceLogistic ModelsSex FactorsHeart VentriclesCoronary Artery BypassRunningCardiac Pacing, ArtificialHypertensionPatient SelectionRespiratory Function TestsRegression AnalysisMyocardiumRomano-Ward Syndrome